Patent · US Active

Magnetic restraint mechanism for a sphincter assist device

US10716570B2 · kind B2 · utility

8Cited by

4References

20Claims

0Family size

Assignee

Ethicon, Inc. · US

Inventors

Frederick E. Shelton, IV · Hillsboro, US
Timothy S. Bedard · Poway, US

Key dates

Filing date	Jul 31, 2017
Grant date	Jul 21, 2020
Priority date	—
Expiry date	Mar 30, 2038

Classification

Technology area (CPC A)Human Necessities
CPC primaryA61F2220/0016
WIPO fieldMedical technology
WIPO sectorInstruments

Abstract

An apparatus is configured to be implanted within a biological structure. The apparatus includes an annular body, a first ring, a second ring, a first plurality of magnets, and a second plurality of magnets. The annular body is disposed about a central axis. The annular body includes an outer wall facing away from the central axis and an inner wall facing toward the central axis. The first ring extends adjacent to the inner wall of the annular body and extends annularly toward the central axis. The second ring extends between the first ring and the central axis. The second ring defines an opening disposed about the central axis. The first plurality of magnets are imbedded in the first ring and are annular disposed about the central axis. The second plurality of magnets are imbedded in the second ring and are annularly disposed about the central axis.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.